Clark, G. N. Sir English history a survey George Clark. - Oxford Clarendon Press 1971. - xix, 567 p. maps. 21 cm. ISBN: 0198223390 LCCN: 70595865 //r84 Nat. Bib. No.: B71-13272 Subjects--Geographic Terms: Great Britain.--History. LC Class. No.: DA30 / .C6 Dewey Class. No.: 942